Warning: require(common.php): Failed to open stream: No such file or directory in /home/www/public/webseiten/AdvoSite/index.php on line 9

Fatal error: Uncaught Error: Failed opening required 'common.php' (include_path='.:/usr/share/php') in /home/www/public/webseiten/AdvoSite/index.php:9 Stack trace: #0 {main} thrown in /home/www/public/webseiten/AdvoSite/index.php on line 9